Output of a Diffractometer - Chemistry Stack Exchange
Aug 15, 2024 · The crystal on the pin (or the loop) of the goniometer head, the diffraction experiment is the gradual movement around multiple axes (or circles) to access a reasonably …
biochemistry - How do I interpret the results of this DNA gel ...
Oct 9, 2023 · This run was meant to be a sort of mock-forensics experiment. There is DNA from the "crime scene", "suspect 1", and "suspect 2". There are 3 samples from each, one is …
Can we run PBEh-3c in Gaussian? - Chemistry Stack Exchange
Sep 28, 2017 · Can someone help with with setting up a calculation to run the new composite scheme PBEh-3c in Gaussian? The code has been implemented in Turbomole and ORCA and …
organic chemistry - NH protons not appearing in H NMR …
Jan 31, 2023 · My synthesized compound is 3,4-dihydropyrimidone derivative, which has 2 nitrogen in the ring. The $\\ce{NH}$ protons are not appearing in the H NMR spectrum and the …
kinetics - Calculation of the specific rate constant (k) - Chemistry ...
Feb 26, 2014 · 3 Suppose we found that the reaction of Red#3 with bleach is 1st order in hypochlorite. The observed rate constant ($k_\mathrm {obs}$) for one of the trials was …
How to run a B2PLYP-D3 calculation in Gaussian 09?
Jan 19, 2017 · Can anyone help me to run a geometry optimization and frequency calculation using B2PLYP-D3 functional including the DFT-D3 dispersion correction? I went through …
What causes the DNA fragments to stop moving in gel …
May 25, 2012 · Also today it is quite common to have the DNA stain already in the gel while the electrophoresis is running (instead of adding a staining solution at the end of the run). This …
Normal Phase TLC using ethyl acetate as eluent
3 Compounds 1-3 were analyzed by normal phase TLC (shown) using ethyl acetate as the eluent. Assign spots on the TLC plate to compounds 1 - 3. 1: 2-acetoxybenzoic acid 2: 2 …
What free tools can calculate or visualize 3D, spatial electron …
May 13, 2025 · The electron density is mostly identical to the electron density of the atoms. Any crystallography program, such as the CCP4 suite, can calculate it. You might instead want to …
Diffusion/Streaky bands on TLC plate - Chemistry Stack Exchange
Jun 8, 2017 · 3 These days I am working on a research project where I am supposed to run TLC for samples which are wax extracts from coconut butten nuts using chloroform as the solvent. …